docs: def get_asides(self, block):
          """
          Return instances for all of the asides that will decorate this `block`.
  
          Arguments:
              block (:class:`.XBlock`): The block to render retrieve asides for.
  
          Returns:
              List of XBlockAside instances
          """
          aside_instances = [
              self.get_aside_of_type(block, aside_type)
              for aside_type in self.applicable_aside_types(block)
          ]
          return [
              aside_instance for aside_instance in aside_instances
              if aside_instance.should_apply_to_block(block)
          ]